I like the 2pcs - 4pin relays because the pin layout is easy to follow and label.
JQX-62F-2Z Coil Voltage AC 110V 80A DPDT Electromagnetic Relay
A nice touch is seeing the full model PSR-UC/ESA4/2X1/1X2 2963750 printed on both the box and the relay.
I noticed the1618002-8 stamped on the relay, which made cross-checking specs pretty straightforward for me.
The P7TFOS16 is a clear choice when across multiple machines.
A nice touch is how this power relay pairs with many controllers, keeping setup friendly.
A nice touch is the labeling on, which makes identifying coil polarity simple when you are deep into a wiring session.
You will find that the relay works well with common drivers, and that makes integration into hobby projects feel intuitive.
With model6819, you can see the coil rating printed right near the pins for quick reference.
A nice touch is the PCB power relay's consistent behavior, even when line voltage dips slightly.
A nice touch is the small latch on the relay base w/ relay for secure retention.